08U90KZSupplement Left Cornea with Nonautologous Tissue Substitute, Open Approach
- Billable / Specific Code
- Medicare Coverage Alert
08U90KZ is a billable ICD-10-PCS procedure code for Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 8 MS-DRGs. The root operation Supplement involves putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part. Medicare may not cover this procedure; review the non-covered procedure codes edit. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Eye procedures.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | 8 | Eye |
| 3 | Operation | U | Supplement |
| 4 | BodyPart | 9 | Cornea, Left |
| 5 | Approach | 0 | Open |
| 6 | Device | K | Nonautologous Tissue Substitute |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code supplement of the left cornea, open the FY 2027 ICD-10-PCS Alphabetic Index at Supplement, then the subterms Cornea, Left. The index leads to table 08U, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 08U90KZ.
Medicare Code Edits
Medicare Code Editor checks that affect claim validity for this code.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 08U90KZ
Is 08U90KZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 08U90KZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 8 is the Body System (Eye); the 3rd character U is the Operation (Supplement); the 4th character 9 is the BodyPart (Cornea, Left); the 5th character 0 is the Approach (Open); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 08U90KZ group to?
On an inpatient stay, Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach maps to MS-DRGs 116, 117, 907, 908, 909, 957, 958, 959, with relative weights from 1.0615 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
Is 08U90KZ covered by Medicare?
Review coverage carefully. The Medicare Code Editor applies a non-covered procedure codes edit to this code, which can affect payment for Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach.
What is the ICD-9-PCS equivalent of 08U90KZ?
Under the General Equivalence Mappings, Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach crosswalks to ICD-9-PCS 11.64 (Other penetrating keratoplasty). The mapping is approximate, so confirm it fits the documentation.